Henrietta Rocks offers beginner divers and snorkellers an accessible shore entry into Rottnest Island's marine world. The site sits in shallow waters between 2 to 10 metres, where scattered reef patches and seagrass beds create varied habitats close to shore. You'll find the remnants of a small wreck adding structure to the sandy bottom, though visibility can change throughout the day depending on conditions. The shallow depth means you can take your time exploring without worrying about air consumption. Watch for Western Scalyfin darting between the rocks, while Blackspot Goatfish probe the sand for food. Millers Damsel and Western Gobbleguts frequent the reef patches. You might spot stingrays gliding over the seagrass or sea turtles passing through. Dolphins occasionally visit the area. The variable current keeps things interesting without becoming overwhelming for newer divers. Be aware that surf conditions can affect entry and exit, and you'll need to mind the sharp coral when navigating the reef. Jellyfish appear seasonally. The combination of easy depths, shore access, and diverse marine life makes this an ideal spot to build confidence while experiencing Western Australia's underwater diversity. Best visited during the warmer months from October through April.

Parker Point is a beginner-friendly reef dive where mild currents and excellent visibility of 10 to 15 metres make for comfortable, relaxed exploration. The reef runs from very shallow water down to 12 metres, so snorkellers and new divers can both get the most out of the site. Soft corals and sponges provide shelter for Western Blue Devils, Buffalo Bream, and Western King Wrasse, while Wobbegong Sharks and Port Jackson Sharks rest quietly on the bottom. Australian Giant Cuttlefish patrol the reef with their usual curious indifference, and if you are lucky, an Australian Sea Lion may drop in for a look. Western Rock Lobster tuck into crevices throughout the reef.

Salmon Bay is a gentle shore dive tucked into Rottnest Island's sheltered coastline, making it a natural starting point for new divers. The shallow, calm waters and mild current keep conditions manageable, though visibility can vary depending on the day. Beneath the surface, reef and seagrass habitats sit side by side, attracting a mixed crowd of marine life. Keep an eye out for western rock lobsters tucked into crevices, stingrays resting on sandy patches, green turtles grazing on seagrass, and dusky morwong moving through the corals. Rainbow wrasse, black bream, western buffalo bream, and tropical fish round out what you are likely to see on a single dive.

Jackson Rocks combines a cave system with reef diving across depths of 8 to 18 metres, making it a solid intermediate site off Western Australia. Visibility here is genuinely impressive, ranging from 10 to 30 metres, so you get a proper look at the reef structure and any species moving through it. The cave feature adds a navigational element worth planning for, and February tends to bring the best conditions the site has to offer. There's no current to contend with, but boat traffic is active in these waters, so maintaining good buoyancy and staying close to the reef on ascent is sensible practice.

Mickey Mouse and Maze is a shore dive that earns its name from the navigational puzzle it presents underwater. Depths run from 8 to 18 metres, making it accessible for intermediate divers comfortable with some spatial awareness. Visibility regularly reaches 15 to 30 metres, so you can appreciate the layout and plan your route as you go. Mild current keeps conditions manageable, though the overhead environment and entanglement risks mean you should stay alert and avoid pushing into tight passages without the right training. Various reef species inhabit the structure, rewarding patient explorers who take time to look closely. September through November offers the most favourable conditions.

Porpoise Bay combines a sheltered reef with a cave system, making it a rewarding boat dive for beginners comfortable with enclosed spaces. Depths run from 8 to 20 metres, and visibility regularly reaches 15 to 30 metres, so you get a clear view of everything around you. Currents are generally mild, though they can strengthen, so stay close to your guide. The cave is an overhead environment, meaning you cannot surface directly above you inside it, so only enter with a qualified guide. The reef holds a genuinely varied crowd: leafy sea dragons, western blue devils, harlequin fish, wobbegongs, blue groper, sea turtles, crayfish, dhufish, and samson fish. Lionfish are present, so keep your hands well clear of any ledges.

Parker Point is a gentle shore dive sitting in just 1 to 5 metres of water, making it a comfortable choice for beginners getting to grips with buoyancy and underwater observation. The site blends coral reef, kelp forests, and seagrass meadows in a shallow, calm environment with mild current. Visibility here is variable, so conditions can shift between visits. Schools of fish move through the kelp and seagrass, and crabs are worth looking out for among the reef structure. Take your time and move slowly, as disturbing marine life in shallow areas is easy to do without realising.

Transit Wreck sits in 3 to 7 metres of water off Western Australia, making it an accessible introduction to wreck diving for beginners. The structure has attracted various reef species, so you can explore the wreck and watch marine life at the same time. Visibility ranges from 5 to 15 metres, and while conditions are generally forgiving at this depth, currents can vary, so check conditions before you head in. Take care around the wreck itself, as sharp coral and the risk of entanglement are real hazards. Stay aware of where your fins and gear are at all times, and never reach into gaps or cavities.